Vankor Oil and Gas Field is One of Largest in Region

MOSCOW—Russia President Vladimir Putin said Monday the Kremlin may let China have a share in one of the largest Siberian energy projects, the Vankor oil and gas field.

"Vankor is one of the biggest production operations today and very promising. Overall, we take a cautious approach to letting in our foreign partners, but we of course set no restrictions for our Chinese friends," Mr. Putin told China Vice Premier Minister...